US PATENT SUBCLASS 149 / 14
.~ Contiguous layers or zones


Current as of: June, 1999
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149 /   HD   EXPLOSIVE AND THERMIC COMPOSITIONS OR CHARGES

2  DF  STRUCTURE OR ARRANGEMENT OF COMPONENT OR PRODUCT {4}
14.~ Contiguous layers or zones {1}
15  DF  .~.~> Layer or zone contains an inorganic explosive or inorganic thermic component {1}


DEFINITION

Classification: 149/14

(under subclass 2) Products which include at least two separate and distinct superimposed or contiguous layers or forms of different components or of components having different properties; e.g., one layer may constitute the base charge and a second layer the primer charge.

(1) Note. The layers or forms may be in loose particulate form or in a solid or compacted form.

(2) Note. The layers or forms must be in direct contact and must not be separated by space or other nonexplosive or nonthermic body.

SEE OR SEARCH CLASS

102, Ammunition and Explosives, appropriate subclasses and particularly

200+, 320, 338, 352, 360, and 443, among others, for ammunition devices utilizing the subject matter of this and indented subclasses. 428, Stock Material or Miscellaneous Articles, appropriate subclasses, for a stock material product of general utility and in the form of a single or plural layer web or sheet.